Lighting Myths, Revisited!
Subject: Lighting Myths, Revisited!
> 2. You also have the effect of the side walls, which if clean wi
> nearly all the light in the tank back into the water due to an e
> called TOTAL INTERNAL REFLECTION. A little light gets out at th
> not much. This means that in theory almost all the light will s
> tank, irregardless of depth! This only applies to the light onc
> hit the water, so it's ideal (as the original poster said) to po
> source so as much light as possible enters the water, i.e. close
> surface, or for MH, focused on the surface.
I'd like to add this to the myth list. It may be true in an EMPTY
tank. It just ain't so in a planted tank. Prove it to yourself.
Go into the room with your aquarium at night with all other
lights off. Take a book with you. You _will_ be able to read the
book. Where is this light coming from if it's not escaping from
Aquatic Gardeners Assoc.